Op-ed: The UK should follow Switzerland's example on public referendums

In Switzerland, we have the popular initiative, which offers a close parallel to the Brexit vote. First the population votes on the new principle which, if passed, is enshrined in the Constitution. Then the government gets to work on the details and Parliament finally hammers out the proposed law.
At that point the population can again demand a referendum, this time not on the principle but on the implementation. The idea that the original vote in principle could be refined and passed into law without any further right of veto by the population would be considered highly undemocratic. Read the full article here: https://www.ft.com/content/d75e8792-449a-11e8-93cf-67ac3a6482fd